Filter: LowPassFilter gets another div-by-zero check

10 years ago · ca92821445
1 changed files with 1 additions and 1 deletions
--- a/libraries/Filter/LowPassFilter.h
+++ b/libraries/Filter/LowPassFilter.h
@ -107,7 +107,7 @@ template <class T>
 void LowPassFilter<T>::set_time_constant(float time_step, float time_constant)
 {
    // avoid divide by zero
-    if (time_constant + time_step <= 0.0f) {
+    if ((time_constant <= 0.0f) || (time_step <= 0.0f)) {
        _cutoff_hz = 0.0f;
        _alpha = 1.0f;
        return;